Senior Software Engineer (AI Platform)

Senior Software Engineer (AI Platform) £80,000–£100,000 London | Hybrid (2–3 days with flexibility) Build the software platform behind next-generation AI. Small team. Big ownership. Real architectural influence. We're working with a venture-backed AI company that's redefining digital identity through behavioural biometrics. Rather than training AI models, you'll build the software platform that enables AI to run securely and reliably in production. You'll work in a small engineering team where you'll influence architecture, own features end-to-end and work directly alongside AI Engineers to deliver production AI products. You'll be building * AI-powered authentication services * Customer-facing web applications * Backend APIs \& distributed services * AWS cloud infrastructure * Kubernetes deployments * Identity \& security services * Production monitoring \& observability Tech Stack * TypeScript * Node.js * React * AWS * Kubernetes * Docker * REST APIs * CI/CD We'd love to speak if you have experience with * 5+ years' commercial software engineering * AI / Machine Learning * TypeScript \& Node.js * AWS * Kubernetes * Building production software * Designing APIs * Cloud-native architecture Bonus points if you have the above and you've worked within: * Cyber Security * Identity \& Authentication * Fraud Prevention * Behavioural Analytics Why join? * Build software around AI, not just another SaaS product * Genuine ownership from architecture to production * Small, high-calibre engineering team * Meaningful equity consideration * Work directly with AI Engineers * Help shape both the product and engineering culture £80,000–£100,000 base